The presumption is that waste (customer complaints, etc.) is bad. We won’t argue that. However, could waste also be good, both good and bad, at the same time?
As we will see here, waste can be good IF it protects the next process or your customer from even more expensive problems. Here we show how to answer questions that can not even be posed with other methodologies because they presume the answer (waste is bad). Here we let economics rather than idealogy guide us. The specific example here is how to find the optimum amount of waste to be left on a core. Yet the techniques can be used whenever a variable is both good and bad at the same time. That, my friends, is most often the case.
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